org.apache.hadoop.hbase.zookeeper

Class LoadBalancerTracker

java.lang.Object

org.apache.hadoop.hbase.zookeeper.ZooKeeperListener

org.apache.hadoop.hbase.zookeeper.ZooKeeperNodeTracker

org.apache.hadoop.hbase.zookeeper.LoadBalancerTracker

@InterfaceAudience.Private
public class LoadBalancerTracker
extends ZooKeeperNodeTracker

Tracks the load balancer state up in ZK

Field Summary

Fields inherited from class org.apache.hadoop.hbase.zookeeper.ZooKeeperNodeTracker

abortable, node

Fields inherited from class org.apache.hadoop.hbase.zookeeper.ZooKeeperListener

watcher

Constructor Summary

Constructors

Constructor and Description
LoadBalancerTracker(ZooKeeperWatcher watcher, Abortable abortable)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	isBalancerOn() Return true if the balance switch is on, false otherwise
void	setBalancerOn(boolean balancerOn) Set the balancer on/off

Methods inherited from class org.apache.hadoop.hbase.zookeeper.ZooKeeperNodeTracker

blockUntilAvailable, blockUntilAvailable, checkIfBaseNodeAvailable, getData, getNode, nodeCreated, nodeDataChanged, nodeDeleted, start, stop, toString

Methods inherited from class org.apache.hadoop.hbase.zookeeper.ZooKeeperListener

getWatcher, nodeChildrenChanged

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

LoadBalancerTracker

public LoadBalancerTracker(ZooKeeperWatcher watcher,
                   Abortable abortable)

Method Detail

isBalancerOn

public boolean isBalancerOn()

Return true if the balance switch is on, false otherwise

setBalancerOn

public void setBalancerOn(boolean balancerOn)
                   throws org.apache.zookeeper.KeeperException

Set the balancer on/off

Parameters:

balancerOn -

Throws:

org.apache.zookeeper.KeeperException